package org.springsource.config;

import javax.inject.Inject;
import javax.sql.DataSource;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Scope;
import org.springframework.context.annotation.ScopedProxyMode;
import org.springframework.core.env.Environment;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.encrypt.Encryptors;
import org.springframework.social.connect.Connection;
import org.springframework.social.connect.ConnectionFactoryLocator;
import org.springframework.social.connect.ConnectionRepository;
import org.springframework.social.connect.UsersConnectionRepository;
import org.springframework.social.connect.jdbc.JdbcUsersConnectionRepository;
import org.springframework.social.connect.support.ConnectionFactoryRegistry;
import org.springframework.social.twitter.api.Twitter;
import org.springframework.social.twitter.api.impl.TwitterTemplate;
import org.springframework.social.twitter.connect.TwitterConnectionFactory;

@Configuration
public class SocialConfig {
	private static final Logger logger = LoggerFactory.getLogger(SocialConfig.class);
	@Autowired
	private Environment environment;

	@Autowired
	@Qualifier("DataBase")
	private DataSource dataBase;
	
	@Bean
	@Scope(value="request", proxyMode=ScopedProxyMode.INTERFACES)	
	public Twitter twitter() {
		Connection<Twitter> twitter = connectionRepository().findPrimaryConnection(Twitter.class);
		return twitter != null ? twitter.getApi() : new TwitterTemplate();
	}
	
	
	@Bean
	public ConnectionFactoryLocator connectionFactoryLocator() {
	    ConnectionFactoryRegistry registry = new ConnectionFactoryRegistry();
	    registry.addConnectionFactory(new TwitterConnectionFactory(
	    		environment.getProperty("twitter.consumerKey"),
	            environment.getProperty("twitter.consumerSecret")));
	    logger.info(""+environment.getProperty("twitter.consumerKey"));
	    return registry;
	}
	
	@Bean
	@Scope(value="singleton", proxyMode=ScopedProxyMode.INTERFACES) 
	public UsersConnectionRepository usersConnectionRepository() {
		return new JdbcUsersConnectionRepository(dataBase, connectionFactoryLocator(), Encryptors.noOpText());
	}

	@Bean
	@Scope(value="request", proxyMode=ScopedProxyMode.INTERFACES)	
	public ConnectionRepository connectionRepository() {
		Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
		if (authentication == null) {
			throw new IllegalStateException("Unable to get a ConnectionRepository: no user signed in");
		}
		return usersConnectionRepository().createConnectionRepository(authentication.getName());
	}


	

	
	
}
